The distribution of mantle and atmospheric argon in oceanic basalt glasses

Argon analyses by both high-resolution stepheating and stepcrushing of MORB and Loihi basalt glasses were performed to separate pristine mantle-derived Ar and contaminating atmospheric Ar. In high-vesicularity glasses (> 0.8% vesicles), most of the mantle argon resides in vesicles, from which it...

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Veröffentlicht in:	Geochimica et cosmochimica acta 2003-03, Vol.67 (6), p.1237-1253
Hauptverfasser:	Trieloff, Mario, Falter, Martina, Jessberger, Elmar K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Marine
Online-Zugang:	Volltext
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